Towel bar



FIG. 1 is a top perspective view of a towel bar showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

The broken line showing of the set screw in FIG. 1 and of the cylindrical bar in FIGS. 1-4 and 7 is for purposes of illustration only and form no part of the claimed design. 

The ornamental design for a towel bar, as shown and described. 